#7092: Silence more py3k warnings. Patch by Florent Xicluna.
diff --git a/Lib/test/test_binop.py b/Lib/test/test_binop.py
index 8ae8f42..b1ef626 100644
--- a/Lib/test/test_binop.py
+++ b/Lib/test/test_binop.py
@@ -207,6 +207,9 @@
         """Compare two Rats for inequality."""
         return not self == other
 
+    # Silence Py3k warning
+    __hash__ = None
+
 class RatTestCase(unittest.TestCase):
     """Unit tests for Rat class and its support utilities."""